Mascagni's Cavalleria rusticana Leoncavallo's I Pagliacci - Mascagni, Pietro 1863-1945 (Opera Journeys Pub., 2002)
Libretto of Cavalleria rusticana by Giovanni Targioni-Tozzetti and Guido Menasci, based on Verga's drama of the same title; libretto of I Pagliacci by the composer